When your car's Check Engine light comes on, it's usually accompanied by a sinking feeling in the pit of your stomach. The light could mean a costly problem, like a bad catalytic converter, or it could be something minor, like a loose gas cap.
If you experience any bleeding period after this 20 days, it will probably be the real period. This normally comes at about 4 to 6 weeks after the miscarriage.
It is usual to have pain and bleeding after a miscarriage. It will feel similar to a period and will usually stop within two weeks. You can take ordinary painkillers for the pain. Your next period will usually come in four to six weeks after a miscarriage.